Cannington Detectives are urgently seeking the whereabouts of 27-year-old Ryan John McNamara.
Police believe Mr McNamara may be able to assist them with a current investigation. He is possibly living in the Lynwood area.
Mr McNamara is described as dark skinned with a medium build, approximately 172cms tall, brown hair and brown eyes.
Members of the public are advised not to approach Mr McNamara as he may have access to a firearm.
Anyone who sights Mr McNamara is advised to call Police immediately on 131 444.